Home / 5,383.32-8,070.33-1,872.87

Finding the Fourth Proportional to 5,383.32, 8,070.33 and 1,872.87

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Solution

The fourth proportional to 5,383.32, 8,070.33 and 1,872.87 is: 2,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.32 : 8,070.33 = 1,872.87 : x
  2. Step 2: Convert to fraction form
    5,383.32/8,070.33 = 1,872.87/x
  3. Step 3: Cross multiply
    5,383.32x = 8,070.33 × 1,872.87
  4. Step 4: Simplify right side
    5,383.32x = 15,114,678.95
  5. Step 5: Solve for x
    x = 15,114,678.95/5,383.32
  6. Step 6: Final answer
    x = 2,807.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.